[Edit menu -> Copy / Duplicate] Add Use Original Selections button to dependency selection dialog

src/Gui/DlgObjectSelection.cpp

@@ -22,6 +22,7 @@
 #include "PreCompiled.h"
 #ifndef _PreComp_
 # include <QTreeWidget>
+# include <QPushButton>
 #endif
 
 #include <Base/Console.h>
@@ -43,6 +44,12 @@ DlgObjectSelection::DlgObjectSelection(
         const std::vector<App::DocumentObject*> &objs, QWidget* parent, Qt::WindowFlags fl)
   : QDialog(parent, fl), ui(new Ui_DlgObjectSelection)
 {
+    /**
+     * make a copy of the originally selected objects
+     *  so we can return them if the user clicks useOriginalsBtn
+     */
+    this->originalSelections = objs;
+
     ui->setupUi(this);
 
     // make sure to show a horizontal scrollbar if needed
@@ -97,6 +104,14 @@ DlgObjectSelection::DlgObjectSelection(
             v.second.inList[obj] = &it->second;
         }
     }
+    /**
+     * create useOriginalsBtn and add to the button box
+     * tried adding to .ui file, but could never get the
+     * formatting exactly the way I wanted it. -- <TheMarkster>
+     */
+    useOriginalsBtn = new QPushButton(tr("&Use Original Selections"));
+    useOriginalsBtn->setToolTip(tr("Ignore dependencies and proceed with objects\noriginally selected prior to opening this dialog"));
+    ui->buttonBox->addButton(useOriginalsBtn,QDialogButtonBox::ActionRole);
 
     connect(ui->treeWidget, SIGNAL(itemExpanded(QTreeWidgetItem*)),
             this, SLOT(onItemExpanded(QTreeWidgetItem*)));
@@ -110,6 +125,7 @@ DlgObjectSelection::DlgObjectSelection(
             this, SLOT(onDepSelectionChanged()));
     connect(ui->buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
     connect(ui->buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
+    connect(useOriginalsBtn, SIGNAL(clicked()), this, SLOT(onUseOriginalsBtnClicked()));
 }
 
 /**
@@ -293,6 +309,11 @@ void DlgObjectSelection::onItemChanged(QTreeWidgetItem * item, int column) {
 }
 
 std::vector<App::DocumentObject*> DlgObjectSelection::getSelections() const {
+
+    if (returnOriginals){
+        return originalSelections;
+    }
+
     std::vector<App::DocumentObject*> res;
     for(auto &v : objMap) {
         if(v.second.checkState != Qt::Unchecked)
@@ -356,6 +377,11 @@ void DlgObjectSelection::onDepSelectionChanged() {
         ui->treeWidget->scrollToItem(scroll);
 }
 
+void DlgObjectSelection::onUseOriginalsBtnClicked(){
+    returnOriginals = true;
+    QDialog::accept();
+}
+
 void DlgObjectSelection::accept() {
     QDialog::accept();
 }

src/Gui/DlgObjectSelection.h

@@ -45,10 +45,14 @@ private Q_SLOTS:
     void onItemChanged(QTreeWidgetItem * item, int);
     void onItemSelectionChanged();
     void onDepSelectionChanged();
+    void onUseOriginalsBtnClicked();
 
 private:
     QTreeWidgetItem *createItem(App::DocumentObject *obj, QTreeWidgetItem *parent);
     App::DocumentObject *objFromItem(QTreeWidgetItem *item);
+    QPushButton *useOriginalsBtn;
+    std::vector<App::DocumentObject*> originalSelections;
+    bool returnOriginals = false;
 
 private:
     struct Info {